关于现金流量表，下列说法正确的有（）。

A.表明企业获得现金和现金等价物的能力

B.反映企业一定期间现金的流入和流出

C.可以采用直接法和间接法来反映

D.反映公司资产负债平衡关系

Ideally，communication between the project manager and the project team members should take place______．

A．via daily status reports

B．through approved documented forms

C．by written and oral communication

D．through the formal chain of command